Calculator Pro+ - Private SMS icon

Calculator Pro+ - Private SMS

Private SMS Box
★ 4.4 (4,707 ratings)
⬇ 1,000,000+ downloads
Est. actual: 1,076,565
Free
Released: Jul 2, 2015
IAP: $0.49 - $244.99 per item
Contains ads

Signals

4 this week · 1 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +1.4K installs — 17% slower than the week before (+1.7K) · 152/day since Oct 7
  • 🏆Among Communication apps top 3% by installs gained this week (151 peers growing)
  • ⭐Rating steady at ★ 4.42 since Oct 7
  • 🛠Updates quiet · updated 43 days ago
Installs since launch
0 538K 1.1M 1.1M Jul 2, 2015 today
+5,169 installs · +23 ratings since Oct 7
Update history
4.2.157 Sep 28, 2026 · seen Oct 21, 2026
• Backup improvements<br>• Choose to back up on Wi-Fi only or mobile data<br>• Option to turn off automatic backup
Only the current version so far — new entries appear as the app ships updates.

Calculator Pro+ - Private SMS is a communication app by Private SMS Box with 1,000,000+ downloads (about 1.1M estimated). +1.4K installs in the last 7 days. Rated 4.4 from 4.7K ratings. Released Jul 2, 2015. Install growth, rank history, SDKs and ad networks.

From the store listing: “Hide private SMS &amp; in-app calls inside a real working calculator. Secure vault.”